Home / 923,455.18-1,384,829.87-443,545.97

Finding the Fourth Proportional to 923,455.18, 1,384,829.87 and 443,545.97

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Solution

The fourth proportional to 923,455.18, 1,384,829.87 and 443,545.97 is: 665,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,455.18 : 1,384,829.87 = 443,545.97 : x
  2. Step 2: Convert to fraction form
    923,455.18/1,384,829.87 = 443,545.97/x
  3. Step 3: Cross multiply
    923,455.18x = 1,384,829.87 × 443,545.97
  4. Step 4: Simplify right side
    923,455.18x = 614,235,707,974.12
  5. Step 5: Solve for x
    x = 614,235,707,974.12/923,455.18
  6. Step 6: Final answer
    x = 665,149.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.